heptagon/compiler/global/types.ml

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(*                                                                        *)
(*  Heptagon                                                              *)
(*                                                                        *)
(*  Author : Marc Pouzet                                                  *)
(*  Organization : Demons, LRI, University of Paris-Sud, Orsay            *)
(*                                                                        *)
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open Names
open Location

type ty = | Tprod of ty list | Tid of longname | Tarray of ty * static_exp

type static_exp = { se_desc: static_exp_desc; se_ty: ty; se_loc: location }

and static_exp_desc =
  | Svar of name
  | Sint of int
  | Sfloat of float
  | Sbool of bool
  | Sconstructor of longname
  | Stuple of static_exp list
  | Sarray_power of static_exp * static_exp (** power : 0^n : [0,0,0,0,0,..] *)
  | Sarray of static_exp list (** [ e1, e2, e3 ] *)
  | Srecord of (longname * static_exp) list (** { f1 = e1; f2 = e2; ... } *)
  | Sop of longname * static_exp list (** defined ops for now in pervasives *)

let invalid_type = Tprod []

let mk_static_exp ?(loc = no_location) ?(ty = invalid_type) =
  { se_desc = desc; se_ty = ty; se_loc = loc }

open Pp_tools
open Format

let rec print_type ff = function
  | Tprod ty_list ->
      fprintf ff "@[<hov2>%a@]" (print_list_r print_type "(" " *" ")") ty_list
  | Tid id -> print_longname ff id
  | Tarray (ty, n) ->
      fprintf ff "@[<hov2>%a^%a@]" print_type ty print_static_exp n